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Product Detailed Parameters
- Description：3-CHANNEL LED DRIVER WITH BOOST
- Series：-
- Mfr：Kinetic Technologies
- Package：Tape & Reel (TR)
- Type：DC DC Regulator
- Topology：Step-Up (Boost)
- Internal Switch(s)：Yes
- Number of Outputs：3
- Voltage - Supply (Min)：2.7V
- Voltage - Supply (Max)：5.5V
- Voltage - Output：40V
- Current - Output / Channel：20mA
- Frequency：800kHz
- Dimming：PWM
- Applications：Backlight
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：9-WFBGA, WLCSP
- Supplier Device Package：9-WLCSP (1.2x1.2)
- Grade：-
- Qualification：-
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Overview
The KTD3117EAA-20-1-TR is a high-efficiency boost LED driver IC from Kinetic Technologies, designed for backlight applications. It features three constant current outputs capable of driving up to 20mA per channel. The device supports flexible LED configurations, including 2P8S and 3P8S topologies, utilizing a step-up architecture. It operates within an input voltage range of 2.7V to 5.5V and integrates PWM dimming capabilities. Packaged in a compact 9-WLCSP (1.2x1.2mm) form factor, it ensures efficient power management for mobile and portable electronic displays.
Feature Summary
- Integrates three independent constant current channels for multi-string LED control
- Supports flexible series-parallel LED array configurations via boost topology
- Incorporates pulse-width modulation (PWM) dimming for precise brightness adjustment
Applications
- Mobile phone LCD backlight systems
- Portable electronic display illumination
- Compact consumer electronics lighting modules
Procurement Notes
Verify the specific suffix 'EAA-20-1' against the manufacturer's latest datasheet to confirm pinout compatibility and electrical specifications. Ensure the WLCSP-9 package dimensions align with your PCB footprint requirements. Cross-reference the part number with official distributor catalogs to validate authenticity and revision status before integration into production designs.
Selection Notes
Select this component when designing circuits requiring three-channel LED drive with minimal board space constraints. It is suitable for applications needing integrated boost conversion without external inductors if supported by the specific system design. Consider its thermal dissipation characteristics, rated at 1.1W, when determining heat management strategies for densely packed enclosures.
Part Context
This part belongs to the KTD31xx series of LED drivers from Kinetic Technologies, which focuses on high-efficiency solutions for portable devices. Unlike single-channel flash drivers or larger RGBW controllers, this model specifically targets multi-string backlighting needs. It shares architectural similarities with other boost-type drivers but is distinct in its three-channel output configuration and specific packaging size.
Replacement Considerations
Potential substitutes include the KTD3116EAA-20-1-TR, though verification of channel count differences is required. Direct replacements must match the 9-WLCSP package and 20mA output current rating. Always consult the manufacturer's obsolescence notices and recommended alternative lists for validated cross-references.
